CHAPTER 27
PAGE 12
PAGE DATE: 7. July 2010
MAINTENANCE MANUAL EXTRA 300LT
27-10-00 AILERON CONTROL
(Refer to Figure 10) The aileron (3) is directly mechanically
linked to the control sticks (1, 2) by the aileron actuator arm
(4) with spade arm, push-pull rods (5), bellcranks (6) and the
torque tube (8). The bell cranks have two sealed ball bearings.
Each aileron is mounted at three points in spherical bearings
pressed into aluminium hinge arms. For lightning protection
reasons each hinge arm is electrically bonded to the corre-
sponding attachment bracket at the aileron by bonding braids.
The rod end bearings of the push-pull rods located in the wing
are also interconnected by bonding braids. The travel stops
(7) are located at the torque tube next to the rear control stick
(8).
To reduce pilot's hand forces the ailerons are equipped with
spades.
To prevent flutter the ailerons are mass balanced in the
overhanging leading edge.
Two access panels on the bottom surface of each side of the
wing allow access to the main parts of the aileron control.
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